Blender Installation 2.79b problems
If you go to https://www.blender.org/download/ and click on "macOS, Linux, and other versions" you get a choice to download the zip version as well that only needs to be extracted to run: 



If you download .msi Windows installer file, you should never attempt to extract it. You should simply run it to install software from it.

You can also download any previous versions from http://download.blender.org/release/